Home / 748,297.88-1,032,673.77-408,788.00

Finding the Fourth Proportional to 748,297.88, 1,032,673.77 and 408,788.00

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Solution

The fourth proportional to 748,297.88, 1,032,673.77 and 408,788.00 is: 564,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,297.88 : 1,032,673.77 = 408,788.00 : x
  2. Step 2: Convert to fraction form
    748,297.88/1,032,673.77 = 408,788.00/x
  3. Step 3: Cross multiply
    748,297.88x = 1,032,673.77 × 408,788.00
  4. Step 4: Simplify right side
    748,297.88x = 422,144,639,927.39
  5. Step 5: Solve for x
    x = 422,144,639,927.39/748,297.88
  6. Step 6: Final answer
    x = 564,139.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.